. >> more than 1000 people in china have signed a business -- a petition where people -- it is part of an effort to tackle corruption in the government. while less as if elected -- there is a growing debate in israel over the use of pesticides in some of the country's favorite foods. a survey has found high levels of residue in more than 100 types of produce. james ferguson has the story from jerusalem. >> -- james ferguson has the story from jerusalem. >> israelis in fresh and local but how healthy are these foods? in recent government study has called hadi has caused some alarm. >> there are people that tackle these issues seriously and start to grow something which -- it should hand -- it should not happen to a thing like this. >> the study of pesticide residues in 56 of -- 56 percent of the foods, there are higher levels than permitted. there is possible exposure to pesticide use in farmington abutting quantities within the range of risk. others say the longer-term effects are potentially harmful. >> there have been studies in urine samples of israelis that almost 100 percent of is